@mheppler can you add the mockup here? Thank you!

Previous mockups were in Balsamiq, but I whipped up this mock File Upload pg screenshot quick for this issue.

• we should allow this editing through the API as well
• we should have some discussion about whether or not to have leading /
• changes should be recorded as a different version
• we should validate the inputs
• changes here would override changes that were previously made or that we set by uploading a zip
• (Gustavo to add the note about updated zip behavior here)

In the context of this issue, we discussed the current zip upload process of unzipping and whether it should add a folder to the path for the zip file. We decided we would leave it as is, i.e. no folder gets added. If you upload a zip with three files at the top level and a second zip with three files at the top level, the resulting dataset will have six files at the top level.

Related: #5576

Per discussion we will track editing all file metadata via api in another issue.

API for file metadata viewing/editing is at Add an API endpoint for File Level metadata #4616.

Merged develop into the branch 6f87904 in order to take advantage all those glorious, new tooltip icons. :dataverseman:

Issues found:

1. Validation text indicates \ is allowed but when used as a folder separator character, throws validation error and does not save.
2. Note to retest after Leonid's zip cleaning logic is added:
   If upload a zip file containing at least one invalid char in path, it fails upload for all with error in UI: The files could not be updated, server log errors:
   [2019-03-22T15:41:56.918-0400] [glassfish 4.1] [INFO] [] [edu.harvard.iq.dataverse.DatasetVersion] [tid: _ThreadID=54 ThreadName=jk-connector(5)] [timeMillis: 1553283716918] [levelValue: 800] [[
   Constraint violation found in FileMetadata. Directory Name cannot contain invalid characters. Valid characters are a-Z, 0-9, '', '-', '.', '', '/' and ' ' (white space). The invalid value is "testzip/%3".]]
   Caused by: java.lang.ClassCastException: edu.harvard.iq.dataverse.FileMetadata cannot be cast to edu.harvard.iq.dataverse.DatasetField
   at edu.harvard.iq.dataverse.engine.command.impl.AbstractDatasetCommand.lambda$validateOrDie$0(AbstractDatasetCommand.java:104)

Zip uploads: folder names are now preemptively sanitized; all the invalid characters are removed. I discussed this approach with @scolapasta earlier today and we are going to review and finalize it on Monday.

A couple of updates from standup:

• Updating the directory structure is now possible from the native API "add" and "replace" endpoint because we merged pull request Set directoryLabel (File Path) via API #5678 into the branch under test for this issue. An update to the API Guide was included.
• I haven't been following very closely the naming convention we are converging on for Flyway scripts but I pushed b2f04e4 to the branch to attempt to document it. This could use some review.

Added doc. info (to the guide and the release notes), as discussed yesterday.